Add standard policy provider tests for PReg policy reading.

chrome/browser/policy/policy_loader_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_POLICY_POLICY_LOADER_WIN_H_
 #define CHROME_BROWSER_POLICY_POLICY_LOADER_WIN_H_
 
 #include <userenv.h>
 #include <windows.h>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/values.h"
 #include "base/win/object_watcher.h"
 #include "chrome/browser/policy/async_policy_loader.h"
 #include "chrome/browser/policy/policy_types.h"
-
-namespace base {
-class FilePath;
-}
+#include "base/files/file_path.h"

[Joao da Silva, 2013/04/16 10:46:25]

nit: order

[Mattias Nissler (ping if slow), 2013/04/16 13:00:05]

Done.

 
 namespace policy {
 
 class AppliedGPOListProvider;
 class PolicyMap;
 struct PolicyDefinitionList;
 
 // Interface for mocking out GPO enumeration in tests.
 class AppliedGPOListProvider {
  public:
   virtual ~AppliedGPOListProvider() {}
   virtual DWORD GetAppliedGPOList(DWORD flags,
                                   LPCTSTR machine_name,
                                   PSID sid_user,
                                   GUID* extension_guid,
                                   PGROUP_POLICY_OBJECT* gpo_list) = 0;
   virtual BOOL FreeGPOList(PGROUP_POLICY_OBJECT gpo_list) = 0;
 };
 
 // Loads policies from the Windows registry, and watches for Group Policy
 // notifications to trigger reloads.
 class PolicyLoaderWin : public AsyncPolicyLoader,
                         public base::win::ObjectWatcher::Delegate {
  public:
+  // The PReg file name used by GPO.
+  static const base::FilePath::CharType kPRegFileName[];
+
   explicit PolicyLoaderWin(const PolicyDefinitionList* policy_list,
                            const string16& chrome_policy_key,
                            AppliedGPOListProvider* gpo_provider);
   virtual ~PolicyLoaderWin();
 
   // Creates a policy loader that uses the Win API to access GPO.
   static scoped_ptr<PolicyLoaderWin> Create(
       const PolicyDefinitionList* policy_list);
 
   // AsyncPolicyLoader implementation.
@@ skipping 52 matching lines @@
   base::win::ObjectWatcher machine_policy_watcher_;
   bool user_policy_watcher_failed_;
   bool machine_policy_watcher_failed_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyLoaderWin);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_POLICY_LOADER_WIN_H_